Answer:
"Fear of white vigilante groups like the KKK" A vigilante is someone who takes part in taking the law into their own hands. If you know about the KKK, then you would understand what a vigilante is. For example, the KKK tried to punish African Americans before and after certain laws because they did not want Africans to have any rights and or freedom.
Answer:
I'm not sure what story you are reading but some common tones for objection include: threatening, stern and serious.
Instead!
The word instead implies that what was said before or after (depending on context) does not apply to something. For example:
“Instead of washing the dishes, I did the laundry...” means that someone did laundry instead of washing the dishes. Instead of connecting ideas, it separates them!